Home / 231,916.38-347,924.22-71,988.80

Finding the Fourth Proportional to 231,916.38, 347,924.22 and 71,988.80

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Solution

The fourth proportional to 231,916.38, 347,924.22 and 71,988.80 is: 107,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,916.38 : 347,924.22 = 71,988.80 : x
  2. Step 2: Convert to fraction form
    231,916.38/347,924.22 = 71,988.80/x
  3. Step 3: Cross multiply
    231,916.38x = 347,924.22 × 71,988.80
  4. Step 4: Simplify right side
    231,916.38x = 25,046,647,958.55
  5. Step 5: Solve for x
    x = 25,046,647,958.55/231,916.38
  6. Step 6: Final answer
    x = 107,998.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.